While running, a person dissipates about 0.60 j of mechanical energy per step per kilogram of body mass. if a 51-kg person develops a power of 67 w during a race, how fast is the person running? (assume a running step is 1.5 m long.) ?

What is the magnetic force on a stationary proton in a magnetic field of 0.50 tesla? for a proton, q = 1.6 * 10-19 coulombs

Describe common objects found in the Solar System including: The Sun, Earth, Planets, Moons, Asteroids, And Comets.

At which part of a magnet is the magnetic force strongest?

Which of these biomes has permanently frozen water in its soil A. Chaparral B. Savanna C. Taiga D. Tundra its (D. Tundra) for APEX

What causes a build up of static electricity?

Whats the difference between population density and population size?

A standing wave is established in an organ pipe that is closed at one end. What is located at the open and closed ends of the pipe?

When all parts of a circuit are composed of conducting materials, the circuit is said to be A. parallel. B. closed. C. open. D. shorted.

You travel an an average speed of 20 km/h in a straight line to get to your grandmothers house. It takes you 3 hours to get to her house. How far away is her house from where you started?

A boat with an anchor on board floats in a swimming pool that is somewhat wider than the boat. Does the pool water level move up, move down, or remain the same if the anchor is (a) dropped into the water or (b) thrown onto the surrounding ground